Yeah, I think mainly radiation from things like cellphones or cellphone towers, probably works great against this new 5G radiation.@janton
Their website has all kinds of shielding materials and products...
Im not sure about more penetrating signals like TV and Radio, there is a diagram I believe I posted it in the comments...
/FF
yeah yeah I saw that diagram. what are you doing up so early? I thought you had parties to go to last night, with a dancer!
Ha ha, yeah, we had our own little party, or not even a party, it was quite relaxed... This is actually a good time to get up to speed with your stories...
/FF